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2025-10-21 - 03:24
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack7slot0.osadl.org (updated Tue Oct 21, 2025 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110050660,0irq/25-eth00-21swapper/319:05:163
117950610,0irq/26-eth1-rx-0-21swapper/119:08:451
9950500,0irq/24-0000:00:0-21swapper/219:05:312
110050490,0irq/25-eth00-21swapper/019:07:150
2943799180,0cyclictest6863-21sshd00:29:440
2943799170,0cyclictest0-21swapper/023:37:290
29439991615,0cyclictest30931-21bash00:13:552
29437991610,0cyclictest4774-21munin-run23:10:000
29437991512,0cyclictest0-21swapper/000:09:260
29440991413,0cyclictest0-21swapper/322:32:583
29439991413,0cyclictest110050irq/25-eth021:33:492
29437991412,0cyclictest0-21swapper/023:49:270
2943799140,0cyclictest0-21swapper/023:28:400
41130,0ktimersoftd/022871-21sshd21:16:350
41130,0ktimersoftd/021342-21diskmemload00:16:560
29440991312,0cyclictest0-21swapper/321:52:413
29440991312,0cyclictest0-21swapper/321:20:093
2944099130,0cyclictest5474-21sshd23:36:533
2944099130,0cyclictest0-21swapper/322:11:233
2944099130,0cyclictest0-21swapper/321:38:313
2944099130,0cyclictest0-21swapper/300:30:263
2944099130,0cyclictest0-21swapper/300:27:183
29439991312,0cyclictest27065-21bash23:45:402
29439991312,0cyclictest20808-21sshd22:20:372
29439991312,0cyclictest0-21swapper/223:36:512
29439991312,0cyclictest0-21swapper/220:55:212
29439991311,0cyclictest0-21swapper/223:58:472
29439991311,0cyclictest0-21swapper/223:52:032
29439991311,0cyclictest0-21swapper/223:05:422
2943999130,0cyclictest30526-21bash22:04:432
2943999130,0cyclictest0-21swapper/221:49:082
2943999130,0cyclictest0-21swapper/221:43:212
2943999130,0cyclictest0-21swapper/200:30:062
2943899133,0cyclictest0-21swapper/119:14:101
29438991312,0cyclictest4010-21bash22:42:391
29438991312,0cyclictest0-21swapper/121:43:521
29438991312,0cyclictest0-21swapper/121:38:391
29438991312,0cyclictest0-21swapper/121:00:121
29438991311,0cyclictest0-21swapper/121:25:101
2943899130,0cyclictest21342-21diskmemload00:14:111
29437991312,0cyclictest0-21swapper/022:30:210
29437991312,0cyclictest0-21swapper/022:12:060
29437991312,0cyclictest0-21swapper/000:00:030
29437991311,0cyclictest0-21swapper/023:16:420
29437991311,0cyclictest0-21swapper/021:12:440
2943799130,0cyclictest7440-21sshd00:21:590
2943799130,0cyclictest0-21swapper/022:19:470
110050130,0irq/25-eth01512-21sshd22:35:263
41120,0ktimersoftd/08196-21sshd21:25:100
41120,0ktimersoftd/00-21swapper/021:49:280
29440991212,0cyclictest0-21swapper/321:59:453
29440991211,0cyclictest3383-21sshd22:25:333
29440991211,0cyclictest10373-21bash22:23:003
29440991211,0cyclictest0-21swapper/323:25:303
29440991211,0cyclictest0-21swapper/322:54:573
29440991211,0cyclictest0-21swapper/322:03:573
29440991211,0cyclictest0-21swapper/321:14:423
29440991211,0cyclictest0-21swapper/300:00:143
29440991210,0cyclictest0-21swapper/300:39:153
2944099120,0cyclictest13034-21sshd23:57:403
2944099120,0cyclictest0-21swapper/323:45:093
2944099120,0cyclictest0-21swapper/320:26:223
2944099120,0cyclictest0-21swapper/300:15:203
29439991211,0cyclictest14940-21bash23:17:472
29439991211,0cyclictest0-21swapper/223:28:352
29439991211,0cyclictest0-21swapper/222:31:122
2943999120,0cyclictest0-21swapper/222:48:382
2943999120,0cyclictest0-21swapper/222:12:092
29438991211,0cyclictest0-21swapper/123:52:211
29438991211,0cyclictest0-21swapper/122:27:121
29438991210,0cyclictest29708-21sshd23:45:571
29438991210,0cyclictest0-21swapper/122:45:461
2943899120,0cyclictest29829-21sshd00:17:191
2943899120,0cyclictest19712-21bash22:17:131
2943899120,0cyclictest0-21swapper/123:55:161
2943899120,0cyclictest0-21swapper/123:32:011
2943899120,0cyclictest0-21swapper/122:06:241
2943899120,0cyclictest0-21swapper/121:54:331
29437991212,0cyclictest0-21swapper/023:56:530
29437991211,0cyclictest445-21id21:34:350
29437991211,0cyclictest32578-21sshd22:38:570
29437991211,0cyclictest0-21swapper/023:13:270
29437991211,0cyclictest0-21swapper/023:13:270
29437991211,0cyclictest0-21swapper/022:22:550
271120,0ktimersoftd/20-21swapper/223:14:462
271120,0ktimersoftd/20-21swapper/223:14:462
271120,0ktimersoftd/20-21swapper/200:29:142
110050120,0irq/25-eth024878-21sshd21:30:153
110050120,0irq/25-eth00-21swapper/322:45:323
110050120,0irq/25-eth00-21swapper/023:03:340
41110,0ktimersoftd/00-21swapper/022:58:320
41110,0ktimersoftd/00-21swapper/022:58:320
351110,0ktimersoftd/30-21swapper/322:55:043
351110,0ktimersoftd/30-21swapper/322:55:043
2944099119,0cyclictest6692-21sshd00:21:543
2944099119,0cyclictest0-21swapper/320:18:013
29440991111,0cyclictest0-21swapper/323:08:533
29440991111,0cyclictest0-21swapper/319:24:423
29440991110,0cyclictest7476-21sshd21:42:103
29440991110,0cyclictest0-21swapper/322:06:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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